Proxy season 2017 was busier than ever for activist investors, with more campaigns launched so far this year than for all of 2016. Overall, there were 803 activist campaigns so far, up from 737 for all of 2016, FactSet reports. Boardroom battles that went the distance still favored management. Of 82 proxy fights that were launched in 2017, 30 went to a vote, and 17 went for management...